File Handling - Run-time Limits

You should be aware that run-time limits may be lower than those imposed by the COBOL Compiler.

File sizes (number of records)

All file organizations

No specifiable limit; depends on record size and file size

Index keys (numbers)

Records added with the same duplicate key value in:
	IDXFORMAT 3 and C-ISAM	65,535
	With IDXFORMAT"4" or IDXFORMAT"8" directive	4,294,967,297
Components in a split key: With IDXFORMAT"4" or IDXFORMAT"8" directive
	(using Micro Focus format file)	62
	(using C-ISAM format file)	8

Record sizes

All file types

62 KB

IDXFORMAT 9	4080 bytes
All other file types	62 Kbytes

Note:

IDXFORMAT 9 files have a single primary key without duplicates.

Sort keys

Sort key size	4096
Number of sort keys	64